回复Insm_5af83a9b发表于:2019/6/11 18:59:39悬赏金额:
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我是用70%甲醇溶解并定容的,标准品为儿茶素总类的EGC、EGCG,配置过程中也没发现大问题,那为什么标品会这样呢?[img=,690,388]https://ng1.17img.cn/bbsfiles/images/2019/06/201906111857156152_6867_3925358_3.png[/img][img=,690,388]https://ng1.17img.cn/bbsfiles/images/2019/06/201906111857161485_5277_3925358_3.png[/img][img=,690,388]https://ng1.17img.cn/bbsfiles/images/2019/06/201906111857167602_2034_3925358_3.png[/img]